COMMERCIAL Latches & Flip-Flops 2,400+

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Part RoHS Manufacturer Logic IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Total Dose (V) Package Body Material Schmitt Trigger Surface Mount No. of Functions Maximum Frequency At Nominal Supply Technology Screening Level No. of Inputs No. of Bits Packing Method Nominal Supply Voltage / Vsup (V) Power Supplies (V) Load Capacitance (CL) Package Style (Meter) Package Equivalence Code Propagation Delay (tpd) Maximum I (ol) Sub-Category Terminal Pitch Maximum Operating Temperature Count Direction Output Characteristics Trigger Type Minimum Operating Temperature Terminal Finish Terminal Position No. of Ports Minimum fmax JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Supply Voltage (Vsup) Maximum Seated Height Width Qualification Output Polarity Minimum Supply Voltage (Vsup) Maximum Power Supply Current (ICC) Additional Features JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length Family

SN74H78N-00

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

2

5

25 pF

IN-LINE

27 ns

2.54 mm

70 Cel

NEGATIVE EDGE

0 Cel

DUAL

25 MHz

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

25 mA

WITH INDIVIDUAL SET INPUTS

19.305 mm

TTL/H/L

SN74ALS842DWP3

Texas Instruments

D LATCH

COMMERCIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

10

SMALL OUTLINE

SOP24,.4

24 Amp

FF/Latches

1.27 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDSO-G24

SN74F113N-10

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

2

5

IN-LINE

7 ns

2.54 mm

70 Cel

NEGATIVE EDGE

0 Cel

DUAL

125 MHz

R-PDIP-T14

5.5 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.5 V

19.305 mm

F/FAST

SN74AS843JTP4

Texas Instruments

D LATCH

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

9

IN-LINE

DIP24,.3

FF/Latches

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-XDIP-T24

SN74F174ANE4

Texas Instruments

D FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

80000000 Hz

TTL

6

TUBE

5

5

50 pF

IN-LINE

DIP16,.3

11 ns

20 Amp

FF/Latches

2.54 mm

70 Cel

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

80 MHz

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

55 mA

e4

19.305 mm

F/FAST

SN74LS75N3

Texas Instruments

D LATCH

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

5

5

IN-LINE

DIP16,.3

FF/Latches

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

SN74ALS573JP4

Texas Instruments

D LATCH

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

8

5

5

IN-LINE

DIP20,.3

FF/Latches

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-XDIP-T20

SN74F377N-10

Texas Instruments

D FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

IN-LINE

2.54 mm

70 Cel

POSITIVE EDGE

0 Cel

DUAL

125 MHz

R-PDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

WITH HOLD MODE

24.325 mm

F/FAST

SN74S112AN

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

2

80000000 Hz

TTL

2

TUBE

5

5

15 pF

IN-LINE

DIP16,.3

20 ns

20 Amp

FF/Latches

2.54 mm

70 Cel

NEGATIVE EDGE

0 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

125 MHz

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

25 mA

e4

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

S

SN74S113NP3

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

5

5

IN-LINE

DIP14,.3

FF/Latches

2.54 mm

70 Cel

NEGATIVE EDGE

0 Cel

DUAL

R-PDIP-T14

SN74AS112NP3

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

IN-LINE

DIP16,.3

FF/Latches

2.54 mm

70 Cel

NEGATIVE EDGE

0 Cel

DUAL

R-PDIP-T16

NOT SPECIFIED

NOT SPECIFIED

SN7475N-00

Texas Instruments

D LATCH

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

2

5

15 pF

IN-LINE

15 ns

2.54 mm

70 Cel

HIGH LEVEL

0 Cel

DUAL

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

53 mA

19.305 mm

TTL/H/L

SN7472J-00

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

TTL

2

5

15 pF

IN-LINE

40 ns

2.54 mm

70 Cel

NEGATIVE EDGE

0 Cel

DUAL

15 MHz

R-GDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

20 mA

WITH MASTER SLAVE OPERATION

19.56 mm

TTL/H/L

SN74F378N-10

Texas Instruments

D FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

6

5

IN-LINE

9.5 ns

2.54 mm

70 Cel

POSITIVE EDGE

0 Cel

DUAL

100 MHz

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

WITH HOLD MODE

19.305 mm

F/FAST

SN74ALS109AD

Texas Instruments

J-KBAR FLIP-FLOP

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

2

34000000 Hz

TTL

2

TUBE

5

5

50 pF

SMALL OUTLINE

SOP16,.25

18 ns

8 Amp

FF/Latches

1.27 mm

70 Cel

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

34 MHz

R-PDSO-G16

1

5.5 V

1.75 mm

3.91 mm

Not Qualified

COMPLEMENTARY

4.5 V

4 mA

e4

30

260

9.9 mm

ALS

SN74ALS845NTP1

Texas Instruments

D LATCH

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

IN-LINE

DIP24,.3

24 Amp

FF/Latches

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T24

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74ALS873NT3

Texas Instruments

D LATCH

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

5

IN-LINE

DIP24,.3

FF/Latches

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T24

SN74LS107ANSRG4

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

30000000 Hz

TTL

2

TR

5

5

SMALL OUTLINE

SOP14,.3

20 ns

8 Amp

FF/Latches

1.27 mm

70 Cel

NEGATIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

30 MHz

R-PDSO-G14

1

5.25 V

2 mm

5.3 mm

Not Qualified

COMPLEMENTARY

4.75 V

6 mA

e4

30

260

10.2 mm

LS

SN74ALS878NT1

Texas Instruments

D FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

5

5

IN-LINE

DIP24,.3

FF/Latches

2.54 mm

70 Cel

3-STATE

POSITIVE EDGE

0 Cel

DUAL

R-PDIP-T24

Not Qualified

SN74ALS114AN3

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

5

5

IN-LINE

DIP14,.3

FF/Latches

2.54 mm

70 Cel

NEGATIVE EDGE

0 Cel

DUAL

R-PDIP-T14

SN74LS378N3

Texas Instruments

D FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

6

5

5

15 pF

IN-LINE

DIP16,.3

27 ns

FF/Latches

2.54 mm

70 Cel

POSITIVE EDGE

0 Cel

DUAL

30 MHz

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

22 mA

WITH HOLD MODE

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

LS

SN74110N

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

2

5

15 pF

IN-LINE

DIP14,.3

20 ns

FF/Latches

2.54 mm

70 Cel

NEGATIVE EDGE

0 Cel

DUAL

20 MHz

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

34 mA

MASTER SLAVE OPERATION WITH LOCKOUT; 3-IN AND GATED J/K INPUTS

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

TTL/H/L

SN74S174NP1

Texas Instruments

D FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

6

TTL

5

5

15 pF

IN-LINE

DIP16,.3

20 Amp

FF/Latches

2.54 mm

70 Cel

POSITIVE EDGE

0 Cel

DUAL

R-PDIP-T16

Not Qualified

144 mA

SN74ALS874NTP1

Texas Instruments

D FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

5

5

IN-LINE

DIP24,.3

FF/Latches

2.54 mm

70 Cel

3-STATE

POSITIVE EDGE

0 Cel

DUAL

R-PDIP-T24

Not Qualified

SN74ALS876NT3

Texas Instruments

D FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

5

5

IN-LINE

DIP24,.3

FF/Latches

2.54 mm

70 Cel

POSITIVE EDGE

0 Cel

DUAL

R-PDIP-T24

SN74ALS112N

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

5

5

IN-LINE

DIP16,.3

FF/Latches

2.54 mm

70 Cel

NEGATIVE EDGE

0 Cel

DUAL

R-PDIP-T16

Not Qualified

SN74H78N3

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

IN-LINE

DIP14,.3

FF/Latches

2.54 mm

70 Cel

MASTER-SLAVE

0 Cel

DUAL

R-PDIP-T14

DM74LS173N/A+

Texas Instruments

D FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

25000000 Hz

TTL

5

5

IN-LINE

DIP16,.3

8 Amp

FF/Latches

2.54 mm

70 Cel

3-STATE

POSITIVE EDGE

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T16

24 mA

e0

SN74173J-00

Texas Instruments

D FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

TTL

4

5

50 pF

IN-LINE

31 ns

2.54 mm

70 Cel

3-STATE

POSITIVE EDGE

0 Cel

DUAL

25 MHz

R-GDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

72 mA

WITH HOLD MODE

19.56 mm

TTL/H/L

SN74LS107ADRG4

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

30000000 Hz

TTL

2

TR

5

5

SMALL OUTLINE

SOP14,.25

20 ns

8 Amp

FF/Latches

1.27 mm

70 Cel

NEGATIVE EDGE

0 Cel

DUAL

30 MHz

R-PDSO-G14

5.25 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

4.75 V

6 mA

NOT SPECIFIED

NOT SPECIFIED

8.65 mm

LS

DM74LS174N/B+

Texas Instruments

D FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

6

25000000 Hz

TTL

5

5

IN-LINE

DIP16,.3

8 Amp

FF/Latches

2.54 mm

70 Cel

POSITIVE EDGE

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T16

Not Qualified

24 mA

e0

SN74107N-10

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

2

5

15 pF

IN-LINE

40 ns

2.54 mm

70 Cel

NEGATIVE EDGE

0 Cel

DUAL

15 MHz

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

20 mA

19.305 mm

TTL/H/L

SN74LS279ADRG4

Texas Instruments

R-S LATCH

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

4

TTL

2

TR

5

5

15 pF

SMALL OUTLINE

SOP16,.25

27 ns

8 Amp

FF/Latches

1.27 mm

70 Cel

LOW LEVEL

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G16

1

5.25 V

1.75 mm

3.9 mm

Not Qualified

TRUE

4.75 V

7 mA

WITH DUAL S INPUT FOR TWO FUNCTIONS

e4

30

260

9.9 mm

LS

SN74S113FN3

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

TTL

5

5

CHIP CARRIER

LDCC20,.4SQ

FF/Latches

1.27 mm

70 Cel

NEGATIVE EDGE

0 Cel

QUAD

S-PQCC-J20

SN74LS378DG4

Texas Instruments

D FLIP-FLOP

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

30000000 Hz

TTL

6

TUBE

5

5

SMALL OUTLINE

SOP16,.25

27 ns

8 Amp

FF/Latches

1.27 mm

70 Cel

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

30 MHz

R-PDSO-G16

1

5.25 V

1.75 mm

3.9 mm

Not Qualified

TRUE

4.75 V

22 mA

WITH HOLD MODE

e4

30

260

9.9 mm

LS

SN74ALS845NTP3

Texas Instruments

D LATCH

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

IN-LINE

DIP24,.3

24 Amp

FF/Latches

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T24

NOT SPECIFIED

NOT SPECIFIED

SN74LS107AFN

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

TTL

2

5

5

15 pF

CHIP CARRIER

LDCC20,.4SQ

20 ns

FF/Latches

1.27 mm

70 Cel

NEGATIVE EDGE

0 Cel

QUAD

30 MHz

S-PQCC-J20

5.25 V

4.57 mm

8.9662 mm

Not Qualified

COMPLEMENTARY

4.75 V

6 mA

NOT SPECIFIED

NOT SPECIFIED

8.9662 mm

LS

SN74ALS114AJ

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

2

TTL

5

5

IN-LINE

DIP14,.3

FF/Latches

2.54 mm

70 Cel

NEGATIVE EDGE

0 Cel

DUAL

R-XDIP-T14

Not Qualified

SN74AS109ANE4

Texas Instruments

J-KBAR FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

2

TUBE

5

50 pF

IN-LINE

DIP16,.3

9 ns

FF/Latches

2.54 mm

70 Cel

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

105 MHz

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.5 V

17 mA

e4

19.305 mm

AS

SN74ALS873JT

Texas Instruments

D LATCH

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

CERAMIC

NO

2

TTL

4

5

5

IN-LINE

DIP24,.3

FF/Latches

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-XDIP-T24

Not Qualified

SN74S114JP4

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

2

TTL

5

5

IN-LINE

DIP14,.3

FF/Latches

2.54 mm

70 Cel

NEGATIVE EDGE

0 Cel

DUAL

R-XDIP-T14

SN74ALS114AN

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

2

5

5

50 pF

IN-LINE

DIP14,.3

19 ns

FF/Latches

2.54 mm

70 Cel

NEGATIVE EDGE

0 Cel

DUAL

30 MHz

R-PDIP-T14

5.5 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.5 V

4.5 mA

WITH INDIVIDUAL SET INPUTS

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

ALS

SN74F377D3

Texas Instruments

D FLIP-FLOP

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

8

TTL

5

5

SMALL OUTLINE

SOP20,.4

20 Amp

FF/Latches

1.27 mm

70 Cel

POSITIVE EDGE

0 Cel

DUAL

R-PDSO-G20

90 mA

SN74LS175J4

Texas Instruments

JBAR-KBAR FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

4

TTL

5

5

IN-LINE

DIP16,.3

FF/Latches

2.54 mm

70 Cel

POSITIVE EDGE

0 Cel

DUAL

R-XDIP-T16

NOT SPECIFIED

NOT SPECIFIED

SN74H74J

Texas Instruments

D FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

2

TTL

1

5

25 pF

IN-LINE

DIP14,.3

20 ns

FF/Latches

2.54 mm

70 Cel

POSITIVE EDGE

0 Cel

DUAL

35 MHz

R-GDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

25 mA

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

TTL/H/L

SN74LS379J-00

Texas Instruments

D FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

TTL

4

5

15 pF

IN-LINE

27 ns

2.54 mm

70 Cel

POSITIVE EDGE

0 Cel

DUAL

30 MHz

R-GDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

15 mA

WITH HOLD MODE

19.56 mm

LS

SN74L77T-04

Texas Instruments

D LATCH

COMMERCIAL

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

2

TTL

2

5

15 pF

FLATPACK

30 ns

1.27 mm

70 Cel

HIGH LEVEL

0 Cel

DUAL

R-GDFP-F14

5.25 V

3.683 mm

Not Qualified

TRUE

4.75 V

27 mA

6.48 mm

TTL/H/L

SN74LS377DW3

Texas Instruments

D FLIP-FLOP

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

8

TTL

5

5

SMALL OUTLINE

SOP20,.4

FF/Latches

1.27 mm

70 Cel

POSITIVE EDGE

0 Cel

DUAL

R-PDSO-G20

Latches & Flip-Flops

Latches and flip-flops are two types of electronic circuits used in digital systems to store and manipulate digital data. They are both sequential logic circuits, meaning that they can store information and use that information to make decisions based on the previous state.

A latch is a type of digital circuit that can hold or "latch" a signal in its current state. It is a simple memory element that can store a single bit of information. A latch can be transparent or opaque, depending on its behavior when the clock signal is active. A transparent latch passes the input signal through to the output when the clock signal is active, while an opaque latch holds the input signal at the output when the clock signal is active.

Flip-flops are similar to latches but are more sophisticated and have additional control inputs. A flip-flop is a digital circuit that can store one bit of information and change its state based on the clock signal and input signals. Flip-flops can be edge-triggered or level-triggered, depending on how they respond to the clock signal. Edge-triggered flip-flops change their state at the rising or falling edge of the clock signal, while level-triggered flip-flops change their state continuously as long as the clock signal is active.

Flip-flops are classified into various types based on their behavior and the number of inputs. Some of the commonly used flip-flops include D flip-flops, JK flip-flops, T flip-flops, and SR flip-flops. D flip-flops have a single data input and a clock input and can store one bit of information. JK flip-flops have two inputs, J and K, and can store one bit of information. T flip-flops have a single input and can toggle between two states based on the clock signal. SR flip-flops have two inputs, S and R, and can store one bit of information.

Latches and flip-flops are used in various applications, including digital signal processing, memory systems, and control circuits. They are essential components of digital systems and can be found in many electronic devices, such as computers, mobile phones, and digital cameras.